private Save.SaveWorkflowDefinitionRequest CreateWorkflowDefinitionRequest()
{
var writeLine = new ActivityDefinition
{
ActivityId = _fixture.Create <string>(),
Type = nameof(WriteLine),
Properties = new List <ActivityDefinitionProperty>()
{
ActivityDefinitionProperty.Literal(nameof(WriteLine.Text), "Hello World!")
}
};
var readLine = new ActivityDefinition {
ActivityId = _fixture.Create <string>(), Type = nameof(ReadLine)
};
var activities = new[] { writeLine, readLine };
var connections = new[] { new ConnectionDefinition(writeLine.ActivityId, readLine.ActivityId, OutcomeNames.Done) };
return(_fixture.Build <Save.SaveWorkflowDefinitionRequest>()
.With(x => x.Activities, activities)
.With(x => x.Connections, connections)
.With(x => x.Variables, default(string))
.With(x => x.CustomAttributes, default(string))
.Create());
}
ActivityDefinition GetBlockingActivityDefinition(string id)
{
return(new()
{
ActivityId = id,
Type = nameof(SignalReceived),
Properties = new []
{
ActivityDefinitionProperty.Literal(nameof(SignalReceived.Signal), "MySignal"),
}
});
}
private static async Task Main()
{
// Create a service container with Elsa services.
var services = new ServiceCollection()
.AddElsa(options => options
.AddConsoleActivities())
.BuildServiceProvider();
// Run startup actions (not needed when registering Elsa with a Host).
var startupRunner = services.GetRequiredService <IStartupRunner>();
await startupRunner.StartupAsync();
// Define a workflow.
var workflowDefinition = new WorkflowDefinition
{
Id = "1",
DefinitionId = "SampleWorkflow",
Version = 1,
IsPublished = true,
IsLatest = true,
PersistenceBehavior = WorkflowPersistenceBehavior.Suspended,
Activities = new[]
{
new ActivityDefinition
{
ActivityId = "activity-1",
Type = nameof(WriteLine),
Properties = new List <ActivityDefinitionProperty>()
{
ActivityDefinitionProperty.Liquid(nameof(WriteLine.Text), "Hello World")
}
},
}
};
// Serialize workflow definition to JSON.
var serializer = services.GetRequiredService <IContentSerializer>();
var json = serializer.Serialize(workflowDefinition);
Console.WriteLine(json);
// Deserialize workflow definition from JSON.
var deserializedWorkflowDefinition = serializer.Deserialize <WorkflowDefinition>(json);
// Materialize workflow.
var materializer = services.GetRequiredService <IWorkflowBlueprintMaterializer>();
var workflowBlueprint = await materializer.CreateWorkflowBlueprintAsync(deserializedWorkflowDefinition);
// Execute workflow.
var workflowRunner = services.GetRequiredService <IStartsWorkflow>();
await workflowRunner.StartWorkflowAsync(workflowBlueprint);
}
ActivityDefinition GetNonBlockingActivityDefinition(string id)
{
return(new()
{
ActivityId = id,
Type = nameof(SetVariable),
Properties = new []
{
ActivityDefinitionProperty.Literal(nameof(SetVariable.VariableName), "Unused"),
ActivityDefinitionProperty.Literal(nameof(SetVariable.Value), "Unused"),
}
});
}
public WorkflowDefinition GetExamples()
{
return(new()
{
Id = Guid.NewGuid().ToString("N"),
DefinitionId = Guid.NewGuid().ToString("N"),
Name = "ProcessOrderWorkflow",
DisplayName = "Process Order Workflow",
Description = "Process new orders",
Version = 1,
IsPublished = true,
ContextOptions = new WorkflowContextOptions
{
ContextFidelity = WorkflowContextFidelity.Burst,
ContextType = typeof(string)
},
Activities = new[]
{
new ActivityDefinition
{
ActivityId = "activity-1",
Description = "Write \"Hello\"",
Type = "WriteLine",
Name = "Activity1",
DisplayName = "Write \"Hello\"",
Properties = new List <ActivityDefinitionProperty>()
{
ActivityDefinitionProperty.Literal("Text", "Hello")
}
},
new ActivityDefinition
{
ActivityId = "activity-2",
Description = "Write \"World!\"",
Type = "WriteLine",
Name = "Activity2",
DisplayName = "Write \"World!\"",
Properties = new List <ActivityDefinitionProperty>()
{
ActivityDefinitionProperty.Literal("Text", "World!")
}
}
},
Connections = new[] { new ConnectionDefinition("activity-1", "activity-2", OutcomeNames.Done) }
});
}
private static WorkflowDefinition GetWorkflowDefinition()
{
return(new()
{
Id = "1",
DefinitionId = "SampleWorkflow",
Version = 1,
IsPublished = true,
IsLatest = true,
PersistenceBehavior = WorkflowPersistenceBehavior.Suspended,
Activities = new[]
{
new ActivityDefinition
{
ActivityId = "1",
Type = nameof(SetVariable),
Properties = new List <ActivityDefinitionProperty>
{
ActivityDefinitionProperty.Literal(nameof(SetVariable.VariableName), "MyVariable"),
ActivityDefinitionProperty.JavaScript(nameof(SetVariable.Value), @"JSON.parse(""{\""foo\"":\""bar\""}"")"),
}
},
new ActivityDefinition
{
ActivityId = "2",
Type = nameof(SetVariable),
Properties = new List <ActivityDefinitionProperty>
{
ActivityDefinitionProperty.Literal(nameof(SetVariable.VariableName), "MyStringifiedVariable"),
ActivityDefinitionProperty.JavaScript(nameof(SetVariable.Value), @"JSON.stringify(MyVariable)"),
}
}
},
Connections = new[]
{
new ConnectionDefinition("1", "2", OutcomeNames.Done),
}
});
}